Datasheet

Section 9 Data Transfer Controller (DTC)
Page 494 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
9.5.1 Normal Mode
In normal mode, one operation transfers one byte or one word of data. Table 9.4 lists the register
function in normal mode. From 1 to 65,536 transfers can be specified. Once the specified number
of transfers has ended, a CPU interrupt can be requested.
Table 9.4 Register Function in Normal Mode
Name Abbreviation Function
DTC source address register SAR Designates source address
DTC destination address register DAR Designates destination address
DTC transfer count register A CRA Designates transfer count
DTC transfer count register B CRB Not used
SAR DAR
Transfer
Figure 9.6 Memory Mapping in Normal Mode